| Category | Sub categories |
|---|
| Entertainment | Audio, Blogs, Blogs (intl), Comics, Events, Forum, Games (Minecraft), Games (Pokemon), Games (WOW), Games (general), Games (offline), Games (specific), Misc, Movies, Music, Radio, Sports, TV |
| Multimedia | Books, Docs, Games (general), General, Images, Movies, Music, Music (Folk), Music (Lyrics), Video |
| News | Aggregators, Broadcast, Business, International, Magazine, Magazine (car), Magazine (fashion), Newspaper, Newspaper (intl), Online, Specialty, Weather |
| Online Services | Events, Google, Jobs, Maps, Search, Search (DDG), Search (Private), Search (Real-time), Search (non-US), Social, Social (intl), Social news/links, Tools, Tools (URLs), Tools (fundraising), Tracking |
| Research | Academic, Academic (biology), Academic (math/cs), Food, Government, Health, Law, Learning, Learning (intl), Local, Real Estate, Reference, Reference (fun), Reference (religion), Reference (science), Reference (words intl), Reference (words), Topical, Travel |
| Shopping | Big box/department, Online, Online (deals), Online (intl), Online (marketplace), Services, Tech, Tech (domains) |
| Tech | Blogs, Blogs (intl), Chakra, Companies, Cryptocurrency, Design, Domains, Downloads, Downloads (add-ons), Downloads (apps), Downloads (code), Downloads (software), Language (perl), Languages (.net), Languages (Crystal), Languages (Mathematica), Languages (Matlab), Languages (c++), Languages (clojure), Languages (cocoa), Languages (coldfusion), Languages (csharp), Languages (d), Languages (erlang), Languages (go), Languages (haskell), Languages (html), Languages (java), Languages (javascript), Languages (latex), Languages (lisp), Languages (lua), Languages (other), Languages (perl), Languages (php), Languages (python), Languages (r), Languages (racket), Languages (ruby), Languages (scala), Languages (scheme), Languages (vala), Libraries/Frameworks, Libraries/Frameworks (KDE), Libraries/Frameworks (wordpress), Programming, Search (DDG), Startups, Sysadmin, Sysadmin (Arch), Sysadmin (Fedora), Sysadmin (FreeBSD), Sysadmin (Gentoo), Sysadmin (RedHat), Sysadmin (Ubuntu), Sysadmin (debian), Sysadmin (man), Sysadmin (network), Sysadmin (packages), Tools, Tools (URLs) |
| Translation | General, Google |